This research was originally published in Journal of Biological Chemistry (JBC). Authors, Structural and Functional Characterization of a Novel Homodimeric Three-finger Neurotoxin from the Venom of Ophiophagus hannah (King Cobra), Journal of Biological Chemistry (JBC) 2010; Vol 285: 8302-8315. Copyright the American Society for Biochemistry and Molecular Biology. This is the author-manuscript version of this paper. Reproduced in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitve version.